print("开始下载".center(50, "="))
for i in range(0, 101, 2):

    if i == 100:
        print("下载完成")
        break
    else:
        print(f'{i} % [', "*" * (i // 2), "." * (50 - i // 2), "]")

list1 = [1, 0]
list2 = [3, 4]
list1.append(2)
list1.extend(list2)
print(list1)
list1.sort()
print(list1)
list1.reverse()
print(list1)
list1.pop(0)
print(list1)
list1.insert(1, 5)
print(list1)
list1.remove(1)
print(list1)
l = sorted(list1)
print(l)
list1.sort(reverse=True)
print(list1)

list1.clear()
print(list1)
